The message reading options are simply, yes-or-no options that change the way incoming messages are displayed. You can change these according to your preferences, and to best fit your screen size, if you wish.

Message Reading Options Reference Chart

Term/Setting

What it Sets/Changes

Use Fixed Width Font...

Fixes the width of the font, to best fit the screen

Use Smiley Images...

Allows smiley images (Also known as "Emoticons") to be displayed within messages.